71340733 has 4 divisors (see below), whose sum is σ = 74442528. Its totient is φ = 68238940.

The previous prime is 71340727. The next prime is 71340739. The reversal of 71340733 is 33704317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (71340727) and next prime (71340739).

It is a cyclic number.

It is not a de Polignac number, because 71340733 - 2⁵ = 71340701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550863 + ... + 1550908.

It is an arithmetic number, because the mean of its divisors is an integer number (18610632).

Almost surely, 2^71340733 is an apocalyptic number.

It is an amenable number.

71340733 is a deficient number, since it is larger than the sum of its proper divisors (3101795).

71340733 is a wasteful number, since it uses less digits than its factorization.

71340733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101794.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 71340733 is about 8446.3443571761. The cubic root of 71340733 is about 414.7431187147.

The spelling of 71340733 in words is "seventy-one million, three hundred forty thousand, seven hundred thirty-three".